adding d3.v3.min.js
adding d3.v3.min.js

CristinaFoltea/pythonD3,blehman/pythonD3,blehman/pythonD3,jennyknuth/pythonD3,CristinaFoltea/pythonD3,blehman/pythonD3,jennyknuth/pythonD3,CristinaFoltea/pythonD3,jennyknuth/pythonD3